PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8544-152Thermometer,indicating,capillary

Ametek, Inc. Div Aerospace & Defense · NSN 6685-00-335-2964 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-335-2964 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-335-2964. Primary manufacturer part number: 8544-152.
Features
  • Thermometer,indicating,capillary — FSC 6685
  • Material: COPPER BULB
  • Scale Type: DIAL
  • Actuating Medium: VAPOR PRESSURE
  • Scale Inscription/background Color: BLACK LETTERS ON WHITE BACKGROUND
  • Active Portion Length: 2.140 INCHES NOMINAL IN
  • Bulb Type: FLEXIBLE CAPILLARY
  • Bulb Quantity: 1
Applications
  • Applications requiring Copper Bulb construction
General Description

The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-00-335-2964, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ametek, Inc. Div Aerospace & Defense. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-335-2964
Primary Part Number8544-152
Item NameThermometer,indicating,capillary
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusCANCELLED
MaterialCOPPER BULB
Scale TypeDIAL
Actuating MediumVAPOR PRESSURE
Scale Inscription/background ColorBLACK LETTERS ON WHITE BACKGROUND
Active Portion Length2.140 INCHES NOMINAL IN
Bulb TypeFLEXIBLE CAPILLARY
Bulb Quantity1
Pointer/pen Type and Quantity1 INDICATING SINGLE
Bulb Connection TypeUNION
Active Portion Diameter0.440 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
6685-00-761-6274 INTERCHANGEABLE
Thermometer,indicating,capillary
6685-00-819-88178544-152 INTERCHANGEABLE
Thermometer,indicating,capillary
Ametek, Inc. Div Aerospace & Defense
Cross-Reference Index
Part NumberManufacturer
8544-152 Ametek, Inc. Div Aerospace & Defense (USA)
Related Parts
6685-00-761-6274INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
6685-00-819-8817INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
8544-152

Frequently Asked Questions

What is NSN 6685-00-335-2964?

NSN 6685-00-335-2964 is a Thermometer,indicating,capillary, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-335-2964?

NSN 6685-00-335-2964 has 1 cross-referenced part number: 8544-152 (Ametek, Inc. Div Aerospace & Defense).

What NSN replaces 6685-00-335-2964?

There are 2 known substitutes for 6685-00-335-2964: 6685-00-761-6274, 6685-00-819-8817. Verify interchangeability with system specifications before substitution.

What are the specifications of 8544-152?

Key specifications for 8544-152: Material: COPPER BULB; Scale Type: DIAL; Actuating Medium: VAPOR PRESSURE; Scale Inscription/background Color: BLACK LETTERS ON WHITE BACKGROUND. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-335-2964 still in active supply?

NSN 6685-00-335-2964 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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